Form No. 3362-871 Rev A Bore Drive Attachment for TRX Trenchers Model No. 22978—Serial No. 310000001 and Up To register your product or download an Operator's Manual or Parts Catalog at no charge, go to www.Toro.com.
There may be buried power, gas, and/or telephone lines in the work area. Shock or explosion may occur if you dig into them. Figure 1 1. Safety alert symbol Have the property or work area marked for buried lines and do not dig in marked areas. Contact your local marking service or utility company to have the property marked (for example, in the United States, call 811 for the nationwide marking service). This manual also uses 2 words to highlight information.
Safety • Always use 2 people to operate the attachment, one to operate the traction unit and the other to guide the boring unit with the guide tool. Improper use or maintenance by the operator or owner can result in injury. To reduce the potential for injury, comply with these safety instructions and those in the traction unit Operator’s Manual. Always pay attention to the safety alert symbol, which means Caution, Warning, or Danger—personal safety instruction.
Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure Qty. Use No parts required – Disconnect the existing hydraulic hoses. Manifold bracket Carriage bolt (5/16 x 1 inch) Locknut (5/16 inch) Hydraulic manifold assembly Hex socket-head bolt (5/16 x 3-1/4 inches) Hydraulic hose with short elbow fitting Hydraulic hose with long elbow fitting Hydraulic hose with straight fittings 1 1 3 1 1 1 2 Connect the hydraulic hoses.
1 1 2 G011658 Figure 5 1. Boom control lever lock G011656 2. Boom control lever knob Figure 3 6. Remove the hairpin cotter and washer from under the control panel that secures the boom control lever lock and remove the lock (Figure 5). 1. Reference bar 4. Disconnect the spring from the hydraulics lever and remove it as shown in Figure 4. 7. Remove the control panel as shown in Figure 6. 1 G011657 G011659 Figure 4 Figure 6 1. Hydraulics lever 8.
2 Installing the Hydraulic Manifold 1 Parts needed for this procedure: 2 G011660 1 Manifold bracket 1 Carriage bolt (5/16 x 1 inch) 3 Locknut (5/16 inch) 1 Hydraulic manifold assembly 2 Hex socket-head bolt (5/16 x 3-1/4 inches) Figure 7 1. Upper hydraulic hose 2. Lower hydraulic hose Procedure 1. Install the manifold bracket to the trencher frame in the hole you opened when you removed the hose clamp, using a carriage bolt (5/16 x 1 inch) and locknut (5/16 inch) (Figure 9). 9.
1 1 G011663 Figure 10 2 G011660 Figure 11 3 1. Hydraulic hose with the long elbow fitting 2. Hydraulic hose with the short elbow fitting 3. Connect the straight end of the hose to port T (right port) on the back of the hydraulic manifold (Figure 12). Connecting the Hydraulic Hoses Parts needed for this procedure: 1 Hydraulic hose with short elbow fitting 1 Hydraulic hose with long elbow fitting 2 Hydraulic hose with straight fittings 1 Procedure 1.
. Loop the hoses up and around so that the open fittings are at the open ports on the hydraulic motor on the trencher (Figure 12). ensure that the machine tracks straight when finished. 6. Start the engine, raise the boom, and operate the trencher chain for a few seconds. 9. Connect the left hose to the lower port on the motor (Figure 13). 7. Stop the engine and remove the key. 2 8. Check all connections for leaks. Hydraulic fluid escaping under pressure can penetrate skin and cause injury.
Product Overview Operation Specifications Connecting the Drive Head to the Trencher Note: Specifications and design are subject to change without notice. Weight Boring diameter 1. Raise the boom to the highest position, stop the engine, remove the key, and set the boom control lever lock in the locked position. 2. Loosen the lever-lock bolt on the drive head and turn the clamp plate so it is parallel to the drive head (Figure 14). 60 lb (30 kg) 1.25 to 3.5 inches (3.2 to 8.
6. Lower the switching lever on the hydraulics manifold to switch from trencher operation to bore drive head operation (Figure 16). Figure 17 1. Accessory shaft 2. Socket 1 3. Push button connector 4. Hole G011800 Figure 16 3. Press down the push button connector and push the shaft into the socket until the connector snaps into the hole in the socket (Figure 17). 1. Switching lever (shown in bore drive operation position) 7.
6. Slowly move the traction unit forward, while the person with the rod guide tool guides the boring bit into the soil (Figure 19). 7. Once the entire drill bit is in the soil, release the hydraulics lever. 8. Stop the engine and wait for all moving parts to stop. 9. Check the grade of the rod.
Storage 1. Before long term storage, wash the attachment with mild detergent and water to remove dirt and grime. 2. Check the condition of the hydraulic hoses. Replace any damaged hoses. 3. Ensure that all hydraulic couplers are connected together to prevent contamination of the hydraulic system. 4. Check and tighten all bolts, nuts, and screws. Repair or replace any damaged or worn part. Figure 20 1. Sidewalk or driveway 2. Exit trench 3. Shovel dug area around bit 5.
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Toro Compact Utility Equipment Warranty CUE Products A One-Year Limited Warranty Conditions and Products Covered The Toro® Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly warrant your Toro Compact Utility Equipment (“Product”) to be free from defects in materials or workmanship.
